KR19980081113A - 펄스폭 변조기 시스템 - Google Patents
펄스폭 변조기 시스템 Download PDFInfo
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- KR19980081113A KR19980081113A KR1019980012017A KR19980012017A KR19980081113A KR 19980081113 A KR19980081113 A KR 19980081113A KR 1019980012017 A KR1019980012017 A KR 1019980012017A KR 19980012017 A KR19980012017 A KR 19980012017A KR 19980081113 A KR19980081113 A KR 19980081113A
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- 230000001939 inductive effect Effects 0.000 claims abstract description 20
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- 238000010586 diagram Methods 0.000 description 13
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- 239000003990 capacitor Substances 0.000 description 4
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- 230000002457 bidirectional effect Effects 0.000 description 2
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- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
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- 238000009413 insulation Methods 0.000 description 1
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- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
- H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
- H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
- H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
- H02M7/53871—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
- H02M7/53873—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current with digital control
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/0077—Characterised by the use of a particular software algorithm
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/38—Means for preventing simultaneous conduction of switches
- H02M1/385—Means for preventing simultaneous conduction of switches with means for correcting output voltage deviations introduced by the dead time
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
Description
DT1 | DT2 | 상 태 |
0 | 0 | 정극성 고전류 |
1 | 1 | 부극성 고전류 |
0 | 1 | 저전류 |
1 | 0 | 무효 조합 |
Claims (5)
- 제 1 펄스폭 변조(PWM) 신호(G1) 및 제 2 PWM 신호(G2)에 의해 제어된 한쌍의 트랜지스터(51,52)에 의해 급전된 유도성 부하를 구동하는 시스템(100)으로서, 상기 제 1 PWM 신호와 상기 제 2 PWM 신호 사이에 어떠한 PWM 신호도 표명되지 않는 부동시간이 발생되는 시스템에 있어서,상기 유도성 부하에 접속되고, 유도성 부하의 부하 전압을 감지하여 상기 부하 전압이 제 1 소정값과 소정 관계일 때 제 1 값의 출력 신호를 생성하는 전압 감지기(140) 및,상기 전압 감지기로부터의 상기 출력 신호, 제 1 PWM 신호 및, 제 2 PWM 신호를 검출하여, 부동시간 중의 제 1 시간에 상기 출력 신호의 값을 나타내는 제 1 신호를 발생시기고, 상기 부동시간 중의 제 2 시간에 상기 출력 신호의 값을 나타내는 제 2 신호를 발생시키는 마이크로 제어기(120)를 포함하고,상기 제 1 신호와 상기 제 2 신호는 다른 값을 나타내고, 상기 유도성 부하의 출력 전류는 0의 소정 크기내에 있는 유도성 부하 구동 시스템.
- 제 1 변조 신호 및 제 2 변조 신호에 의해 제어된 한쌍의 트랜지스터(51,52)에 의해 급전된 유도성 부하의 왜곡 보상용 제로 근사 전류 검출 회로로서, 상기 제 1 변조 신호와 상기 제 2 변조 신호 사이에 어떠한 변조 신호도 표명되지 않는 부동시간이 발생되는 회로에 있어서,상기 유도성 부하에 접속되고, 유도성 부하의 부하 전압을 감지하여 상기 부하 전압이 제 1 소정값과 소정 관계일 때 제 1 값의 출력 신호를 생성하는 전압 감지기(140)와,상기 전압 감지기로부터의 상기 출력 신호를 자신의 입력에서 수신하고 상기 제 1 변조 신호에 의해 제어되는 제 1 래치(131) 및,상기 전압 감지기로부터의 상기 출력 신호를 자신의 입력에서 수신하고 상기 제 2 변조 신호에 의해 제어되는 제 2 래치(132)를 포함하고,상기 제 1 래치의 래치된 출력 신호와 상기 제 2 래치의 래치된 출력 신호에 대한 다른 값은 상기 유도성 부하의 출력 전류가 0의 소정 크기내에 있는 것을 나타내는 제로 근사 전류 검출 회로.
- 제 2 항에 있어서, 상기 제 1 래치에 의해 래치된 출력 신호 및 상기 제 2 래치에 의해 래치된 출력 신호를 수신하여 상기 제 1 변조 신호 및 상기 제 2 변조 신호를 발생시키고, 상기 제 1 및 제 2 변조 신호중 한 신호의 듀티 사이클을 변형시킴으로써, 그리고, 상기 제 2 래치로부터 출력되는 것과 다른 값이 상기 제 1 래치로부터 출력될 때, 상기 제 1 및 제 2 변조 신호중 다른 한 신호의 듀티 사이클을 변형시킴으로써 부동 시간 동안 출력 전류의 정류에 의해 유발된 인덕터의 출력 전류에서의 왜곡을 보정하는 펄스폭 변조기를 더 포함하며, 상기 제 1 및 제 2 변조 신호 중 상기 다른 한 신호는 상기 출력 전류가 0이 되기 전에 변형되어 제로 근사를 보정하는 제로 근사 전류 검출 회로.
- 제 1 펄스폭 변조(PWM) 신호 및 제 2 PWM 신호에 의해 제어된 한쌍의 트랜지스터(51,52)에 의해 급전된 유도성 부하를 구동하는 데이터 처리 시스템(100)에 있어서,상기 유도성 부하에 접속되고, 유도성 부하의 부하 전압을 감지하여 상기 부하 전압이 소정값에 관하여 제 1 상태일 때 제 1 값의 출력 신호를 생성하는 전압 감지기(140)와,상기 전압 감지기로부터의 상기 출력 신호를 자신의 입력에서 수신하고, 상기 출력 신호가 상기 제 1 PWM 신호의 에지에 의해 래치되어 제 1 래치된 출력 신호로서 출력되도록 상기 제 1 PWM 신호에 의해 제어되는 제 1 래치(131)와,상기 전압 감지기로부터의 상기 출력 신호를 자신의 입력에서 수신하고, 상기 출력 신호가 상기 제 2 PWM 신호의 에지에 의해 래치되어 제 2 래치된 출력 신호로서 출력되도록 상기 제 2 PWM 신호에 의해 제어되는 제 2 래치(132) 및,상기 제 1 래치된 출력 신호와 상기 제 2 래치된 출력 신호를 수신하여 상기 제 1 PWM 신호 및 상기 제 2 PWM 신호를 발생시키는 프로세서(121)를 포함하고,상기 제 1 PWM 신호와 상기 제 2 PWM 신호 사이에 어떠한 PWM 신호도 표명되지 않는 부동 시간이 존재하고, 상기 프로세서는, 상기 제 1 및 제 2 PWM 신호중 한 신호의 듀티 사이클을 변형시키고, 상기 제 2 래치된 출력 신호와 다른 상기 제 1 래치된 신호의 발생시에, 상기 제 1 및 제 2 PWM 신호중 다른 한 신호의 듀티 사이클을 변형시킴으로써, 부동 시간 동안 출력 전류의 정류에 의해 유발된 인덕터의 출력 전류에서의 왜곡을 보정하고, 상기 제 1 및 제 2 PWM 신호 중 상기 다른 한 신호는 상기 출력 전류가 0이 되기 전에 변형되어 상기 출력 전류의 제로 근사를 보정하는 데이터 처리 시스템.
- 제 1 펄스폭 변조(PWM) 신호와 제 2 PWM 신호 사이에 어떠한 PWM 신호도 표명되지 않는 부동시간이 발생되는 상기 제 1 PWM 신호 및 상기 제 2 PWM 신호에 의해 제어된 한쌍의 트랜지스터에 의해 급전된 유도성 부하의 왜곡 보상을 위한 제로 근사 전류 검출 방법으로서,제 1 부동 시간 간격 동안 상기 유도성 부하의 제 1 부하 전압을 감지하는 단계와,제 2 부동 시간 간격 동안 상기 유도성 부하의 제 2 부하 전압을 감지하는 단계 및,선택된 레벨을 나타내는 제 1 값 및 제 2 값에 응답하여 제로 근사 전류 왜곡을 보정하는 신호를 발생시키는 단계를 포함하는 제로 근사 전류 검출 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/835,370 US5764024A (en) | 1997-04-07 | 1997-04-07 | Pulse width modulator (PWM) system with low cost dead time distortion correction |
US08/835,370 | 1997-04-07 | ||
US8/835,370 | 1997-04-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19980081113A true KR19980081113A (ko) | 1998-11-25 |
KR100617884B1 KR100617884B1 (ko) | 2006-11-10 |
Family
ID=25269343
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980012017A Expired - Fee Related KR100617884B1 (ko) | 1997-04-07 | 1998-04-06 | 펄스폭변조기시스템 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5764024A (ko) |
EP (1) | EP0871285B1 (ko) |
JP (1) | JP3342662B2 (ko) |
KR (1) | KR100617884B1 (ko) |
CN (1) | CN1242555C (ko) |
DE (1) | DE69815429T2 (ko) |
TW (1) | TW525341B (ko) |
Cited By (1)
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US8928268B2 (en) | 2012-05-30 | 2015-01-06 | Samsung Electro-Mechanics Co., Ltd. | Signal duty detecting apparatus and motor driving apparatus having the same |
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-
1998
- 1998-03-16 TW TW087103851A patent/TW525341B/zh not_active IP Right Cessation
- 1998-04-02 JP JP10695698A patent/JP3342662B2/ja not_active Expired - Fee Related
- 1998-04-02 EP EP98106040A patent/EP0871285B1/en not_active Expired - Lifetime
- 1998-04-02 DE DE69815429T patent/DE69815429T2/de not_active Expired - Fee Related
- 1998-04-06 CN CNB981063292A patent/CN1242555C/zh not_active Expired - Fee Related
- 1998-04-06 KR KR1019980012017A patent/KR100617884B1/ko not_active Expired - Fee Related
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US8928268B2 (en) | 2012-05-30 | 2015-01-06 | Samsung Electro-Mechanics Co., Ltd. | Signal duty detecting apparatus and motor driving apparatus having the same |
Also Published As
Publication number | Publication date |
---|---|
EP0871285B1 (en) | 2003-06-11 |
JP3342662B2 (ja) | 2002-11-11 |
CN1242555C (zh) | 2006-02-15 |
EP0871285A1 (en) | 1998-10-14 |
CN1206885A (zh) | 1999-02-03 |
DE69815429D1 (de) | 2003-07-17 |
US5764024A (en) | 1998-06-09 |
JPH10285937A (ja) | 1998-10-23 |
TW525341B (en) | 2003-03-21 |
KR100617884B1 (ko) | 2006-11-10 |
DE69815429T2 (de) | 2004-01-15 |
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